A Novel Analytic Technique to Measure Associations Between Circulating Biomarkers and Physical Performance Across the Adult Life Span

The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
Matthew J PetersonHarvey Jay Cohen

Abstract

Understanding associations between circulating biomarkers and physical performance across the adult life span could aid in better describing mechanistic pathways leading to disability. We hypothesized that high concentrations of circulating biomarkers would be associated with lower functioning across study populations representing the adult life span. The data were from four intervention and two observational studies with ages ranging 22-89 years. Biomarkers assayed included inflammatory, coagulation, and endothelial function markers. Physical performance was measured either by VO2peak (studies of young and middle-aged adults) or usual gait speed (studies of older adults). Partialled (by age, body mass index, race, and sex) and weighted common correlations were calculated between biomarkers and physical performance. Homogeneity of the associations was also assessed. Interleukin-6 (weighted r = -.22), tumor necrosis factor receptor 2 (weighted r = -.19), D-dimer (weighted r = -.16), tumor necrosis factor receptor 1 (weighted r = -.15), granulocyte colony-stimulating factor (weighted r = -.14), and tumor necrosis factor alpha (weighted r = -.10) were all significantly inversely correlated with physical performance (p < .05). All ...Continue Reading

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Citations

Aug 13, 2015·The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences·Siobhán C StrikeSimon C Dyall
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Nov 4, 2017·The Journal of Clinical Endocrinology and Metabolism·Richard H LeeCathleen Colón-Emeric
Jul 10, 2018·The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences·Daniel ParkerMiriam C Morey

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